Chalcogen, Charge-density wave state, Non-disordered, Transitional, Trigonal

• Se-Ti
• Fe-Lu-O
• S-Ta
• Li-O-V
• Se-V
• electronic and electrical properties
• magnetic properties
• optical properties
• phase transitions
• structural transitions
• transitional
• charge-density wave state
• chalcogen
• non-disordered
• metal